College of Computer National University of Defense Technology Harbin 410073 China;
School of Data and Computer Science Sun Yat-Sen University Guangzhou 510006 China;
College of Computer National University of Defense Technology Harbin 410073 China;
College of Computer National University of Defense Technology Harbin 410073 ChinaComputer Science Department University of Pittsburgh Pittsburgh 15213 USA;
Edge computing; resource allocation; task-offloading alternative;